Really? A clown shoe still intrigues me but I think Z4M is quite the climb down in dynamics. For open air a Boxster takes some beating, and has the 6-cyl howl. Considered a Caterham?
Yeah, I was going to suggest the Z3M clown shoe too, I'm sure it would be possible to find a low mileage collectory example.
not into cabs to be honest which is why the cayman got a look in but to be honest id always be unfairly comparing to the gt3 and my budget is too small for a gt4